The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 06, 1990
Filed:
Dec. 21, 1987
Applicant:
Inventor:
Gerd Grenner, Lincoln, MA (US);
Assignee:
PB Diagnostic Systems, Inc., Westwood, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
422 56 ; 422 55 ; 422 58 ; 422100 ; 422101 ; 435805 ; 436165 ; 436169 ; 436170 ; 436177 ; 436180 ; 436518 ; 436524 ; 436531 ; 436175 ;
Abstract
A biological diagnostic device and process for efficiently and accurately analyzing a sample of a biological fluid for in analyte of interest. The device, which is a preferred embodiment utilized for the analysis of whole blood samples, comprises a diagnostic test element and a sample application unit comprising a fluid delivery element and means for providing sample fluid to the fluid delivery element. The fluid delivery element comprises a layer having a plurality of grooves, or channels, in the surface thereof which is adjacent the test element. The fluid which is provided to the grooves is subsequently delivered to the test element.